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//===-- MICmdFactory.h ------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#pragma once
// Third party headers
#include <map>
// In-house headers:
#include "MICmnBase.h"
#include "MIUtilSingletonBase.h"
// Declarations:
class CMICmdBase;
struct SMICmdData;
//++
//============================================================================
// Details: MI Command Factory. Holds a list of registered MI commands that
// MI application understands to interpret. Creates commands objects.
// The Command Factory is carried out in the main thread.
// A singleton class.
//--
class CMICmdFactory : public CMICmnBase, public MI::ISingleton<CMICmdFactory> {
friend class MI::ISingleton<CMICmdFactory>;
// Typedefs:
public:
typedef CMICmdBase *(*CmdCreatorFnPtr)();
// Class:
public:
//++
// Description: Command's factory's interface for commands to implement.
//--
class ICmd {
public:
virtual const CMIUtilString &GetMiCmd() const = 0;
virtual CmdCreatorFnPtr GetCmdCreatorFn() const = 0;
// virtual CMICmdBase * CreateSelf( void ) = 0; // Not
// possible as require a static creator
// function in the command class, here for awareness
/* dtor */ virtual ~ICmd() {}
};
// Methods:
public:
bool Initialize() override;
bool Shutdown() override;
bool CmdRegister(const CMIUtilString &vMiCmd, CmdCreatorFnPtr vCmdCreateFn);
bool CmdCreate(const CMIUtilString &vMiCmd, const SMICmdData &vCmdData,
CMICmdBase *&vpNewCmd);
bool CmdExist(const CMIUtilString &vMiCmd) const;
// Methods:
private:
/* ctor */ CMICmdFactory();
/* ctor */ CMICmdFactory(const CMICmdFactory &);
void operator=(const CMICmdFactory &);
bool HaveAlready(const CMIUtilString &vMiCmd) const;
bool IsValid(const CMIUtilString &vMiCmd) const;
// Overridden:
private:
// From CMICmnBase
/* dtor */ ~CMICmdFactory() override;
// Typedefs:
private:
typedef std::map<CMIUtilString, CmdCreatorFnPtr> MapMiCmdToCmdCreatorFn_t;
typedef std::pair<CMIUtilString, CmdCreatorFnPtr>
MapPairMiCmdToCmdCreatorFn_t;
// Attributes:
private:
MapMiCmdToCmdCreatorFn_t m_mapMiCmdToCmdCreatorFn;
};
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